EP0139102A3 - Nuclear magnetic resonance imaging system - Google Patents

Nuclear magnetic resonance imaging system Download PDF

Info

Publication number
EP0139102A3
EP0139102A3 EP84108349A EP84108349A EP0139102A3 EP 0139102 A3 EP0139102 A3 EP 0139102A3 EP 84108349 A EP84108349 A EP 84108349A EP 84108349 A EP84108349 A EP 84108349A EP 0139102 A3 EP0139102 A3 EP 0139102A3
Authority
EP
European Patent Office
Prior art keywords
imaging system
magnetic resonance
nuclear magnetic
resonance imaging
nuclear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP84108349A
Other versions
EP0139102A2 (en
EP0139102B1 (en
Inventor
James R. Ewing
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henry Ford Hospital
Original Assignee
Henry Ford Hospital
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henry Ford Hospital filed Critical Henry Ford Hospital
Publication of EP0139102A2 publication Critical patent/EP0139102A2/en
Publication of EP0139102A3 publication Critical patent/EP0139102A3/en
Application granted granted Critical
Publication of EP0139102B1 publication Critical patent/EP0139102B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Details Of Measuring And Other Instruments (AREA)
EP84108349A 1983-07-15 1984-07-16 Nuclear magnetic resonance imaging system Expired - Lifetime EP0139102B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US514169 1983-07-15
US06/514,169 US4585994A (en) 1983-07-15 1983-07-15 Nuclear magnetic resonance imaging system

Publications (3)

Publication Number Publication Date
EP0139102A2 EP0139102A2 (en) 1985-05-02
EP0139102A3 true EP0139102A3 (en) 1985-10-30
EP0139102B1 EP0139102B1 (en) 1990-04-04

Family

ID=24046078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84108349A Expired - Lifetime EP0139102B1 (en) 1983-07-15 1984-07-16 Nuclear magnetic resonance imaging system

Country Status (5)

Country Link
US (1) US4585994A (en)
EP (1) EP0139102B1 (en)
JP (1) JPS6039538A (en)
CA (1) CA1215114A (en)
DE (1) DE3481863D1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3563800D1 (en) * 1984-11-15 1988-08-18 Siemens Ag Magnet device for a nuclear spin resonance tomography system with an approximately cylindrical shielding arrangement
USRE33505E (en) * 1984-12-17 1990-12-25 Nmr Associates, Ltd. 1983-I Scan room for magnetic resonance imager
US4646045A (en) * 1985-03-25 1987-02-24 General Electric Company Aperture sized disc shaped end caps of a ferromagnetic shield for magnetic resonance magnets
DE3511750A1 (en) * 1985-03-30 1986-10-09 Philips Patentverwaltung Gmbh, 2000 Hamburg COIL ARRANGEMENT FOR CORE SPIN EXAMS
FR2606624A1 (en) * 1986-11-14 1988-05-20 Thomson Cgr NUCLEAR MAGNETIC RESONANCE IMAGING INSTALLATION
US6229311B1 (en) 1998-02-05 2001-05-08 Analogic Corporation Magnetic resonance imaging system installation
JP6056153B2 (en) * 2011-04-04 2017-01-11 セイコーエプソン株式会社 Magnetic shield, program and selection method
WO2015041523A1 (en) 2013-09-18 2015-03-26 Glymur B.V. Oral hygiene compositions

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2365123A1 (en) * 1976-09-20 1978-04-14 Ibm SPECTROMETER MAGNET ASSEMBLY
EP0042254A2 (en) * 1980-06-12 1981-12-23 Kabushiki Kaisha Toshiba Nuclear resonance apparatus including means for rotating the gradient of a magnetic field
EP0067933A1 (en) * 1981-06-13 1982-12-29 Bruker Analytische Messtechnik GmbH Electromagnet for NMR tomography

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB949071A (en) * 1961-05-02 1964-02-12 Ass Elect Ind Improvements relating to magnet assemblies
US4354499A (en) * 1978-11-20 1982-10-19 Damadian Raymond V Apparatus and method for nuclear magnetic resonance scanning and mapping
JPS5842254B2 (en) * 1979-06-29 1983-09-19 日本鋼管株式会社 Continuous annealing equipment
FR2512317A1 (en) * 1981-08-25 1983-03-04 Alsthom Atlantique DEVICE FOR PROTECTING METAL OBJECTS LOCATED IN THE ENVIRONMENT OF A LARGE MAGNETIC FIELD DEVELOPED BY AN ALTERNATOR ROTOR WITHOUT STATOR

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2365123A1 (en) * 1976-09-20 1978-04-14 Ibm SPECTROMETER MAGNET ASSEMBLY
EP0042254A2 (en) * 1980-06-12 1981-12-23 Kabushiki Kaisha Toshiba Nuclear resonance apparatus including means for rotating the gradient of a magnetic field
EP0067933A1 (en) * 1981-06-13 1982-12-29 Bruker Analytische Messtechnik GmbH Electromagnet for NMR tomography

Also Published As

Publication number Publication date
CA1215114A (en) 1986-12-09
DE3481863D1 (en) 1990-05-10
JPH0454452B2 (en) 1992-08-31
EP0139102A2 (en) 1985-05-02
EP0139102B1 (en) 1990-04-04
JPS6039538A (en) 1985-03-01
US4585994A (en) 1986-04-29

Similar Documents

Publication Publication Date Title
GB2140569B (en) Nuclear magnetic resonance imaging
GB2137756B (en) Nuclear magnetic resonance imaging apparatus
GB2126731B (en) Nuclear magnetic resonance imaging
GB2125563B (en) Nuclear magnetic resonance imaging method
GB2128339B (en) Nuclear magnetic resonance imaging
DE3572037D1 (en) Nuclear magnetic resonance imaging apparatus
GB2148013B (en) Nuclear magnetic resonance imaging
GB2157832B (en) Nuclear magnetic resonance imaging
GB2143041B (en) Nuclear magnetic resonance
DE3569614D1 (en) Magnetic resonance imaging system
GB2131957B (en) Nuclear magnetic resonance imaging
GB2150302B (en) Nuclear magnetic resonance imaging
GB8331501D0 (en) Nuclear magnetic resonance
GB8425216D0 (en) Imaging nuclear magnetic resonance signals
GB2129568B (en) Nuclear magnetic resonance imaging method
GB2128748B (en) Nuclear magnetic resonance imaging
EP0139102A3 (en) Nuclear magnetic resonance imaging system
GB2161937B (en) Nuclear magnetic resonance imaging apparatus
GB2160325B (en) Nuclear magnetic resonance imaging
IL70674A (en) Pulsed main field nuclear magnetic resonance imaging system
GB8414004D0 (en) Nuclear magnetic resonance
EP0175611A3 (en) Nuclear magnetic resonance imaging device
GB2155187B (en) Nuclear magnetic resonance imaging apparatus
GB2182450B (en) Nuclear magnetic resonance imaging apparatus
GB2091424B (en) Nuclear magnetic resonance imaging

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): DE FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19860423

17Q First examination report despatched

Effective date: 19871123

ITF It: translation for a ep patent filed

Owner name: DE DOMINICIS & MAYER S.R.L.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REF Corresponds to:

Ref document number: 3481863

Country of ref document: DE

Date of ref document: 19900510

ET Fr: translation filed
ITTA It: last paid annual fee
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19950616

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19950623

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19950628

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19960716

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19960716

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19970328

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19970402

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST